Russell T Davies masterminded the return of Doctor Who to our screens 3 years ago.
Made OBE by the Queen earlier this year, he was appointed lead writer and executive producer of the popular sci-fi series, roles he will hand on to Steven Moffat in 2010.
The BBC News Channel will be interviewing Russell T Davies live at the Cheltenham Literary Festival on 12 October - and we'll be putting YOUR questions to him.
What would you like to ask Russell T Davies?
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